diff --git a/requirements.txt b/requirements.txt
index fa1502b..346ea8d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ django-crispy-forms==1.8.1
 google-api-python-client==1.7.11
 google-auth==1.10.1
 google-auth-httplib2==0.0.3
-httplib2==0.16.0
+httplib2==0.19.0
 idna==2.8
 importlib-metadata==1.4.0
 joblib==0.14.1